Unsupervised facial expression recognition using domain adaptation based dictionary learning approach.
Keyu YanWenming ZhengZhen CuiYuan ZongTong ZhangChuangao TangPublished in: Neurocomputing (2018)
Keyphrases
- domain adaptation
- dictionary learning
- semi supervised
- sparse coding
- sparse representation
- unsupervised learning
- labeled data
- semi supervised learning
- supervised learning
- multiple sources
- cross domain
- target domain
- transfer learning
- unlabeled data
- sentiment classification
- pairwise
- test data
- training data
- feature representation
- document classification
- dimensionality reduction
- data analysis
- face recognition
- co occurrence
- model selection
- object recognition
- image classification